Important Lane and Ramp Closures for the Week of March 26 - April 1

Dulles Corridor Metrorail Project crews are continuing road widening, lane shifting, utility work, excavation and other construction activities for the Metrorail Silver Line, Phases 1 and 2. Lane, shoulder, road and ramp closures will occur along the Dulles Toll Road, Dulles International Airport Access Highway, Dulles Greenway and surrounding roads during the week of March 26 - April 1, 2017. In addition, closures will occur along the Phase 1 alignment.

On or about Friday, March 31 at 10 p.m. and continuing until Saturday, April 1 at 8 a.m., and from Saturday, April 1 at 10 p.m. and continuing until Sunday, April 2 at 8 a.m., the eastbound Dulles Greenway will be detoured to Exit 8A (Old Ox Road east/Route 606). Follow detour signs along eastbound Old Ox Road and Route 28 south to Dulles International Airport or the Dulles Toll Road. Police will be present for safety.

On or about Saturday, April 1, between midnight and 5 a.m., several 20 minute stoppages will occur on the westbound Dulles International Airport Access Highway (DIAAH) near mile marker 1.7 (8/10 mile past the Centreville Road bridge).

Drivers are asked to use caution remain attentive to all signage, barricades and speed limits, and obey all police and flagger instructions.

See below for more detailed information. All work is weather permitting.

Where: From mile marker 3.5 to 1.9 (from 1/10 mile before the Monroe/Van Buren Street overpass to 6/10 mile past the Centreville Road bridge). Single left lane closed from 7 p.m. to 10 p.m., transitioning to two left lanes closed from 10 p.m. to 5 a.m.

Why: Overhead sign installation

When: Friday, March 31, 7 p.m. to 5 a.m.

What: Two left lanes closed

Where: From mile marker 2.7 to 1.4 (from 1/10 mile before the Centreville Road bridge to 2/10 mile before the Route 28 overpass). Single left lane closed from 7 p.m. to 10 p.m., transitioning to two left lanes closed from 10 p.m. to 5 a.m.

What: Two left lanes closed, 20 minute stoppages will occur between midnight and 5 a.m.

Where: From mile marker 2.7 to 1.4 (from 1/10 mile before the Centreville Road bridge to 2/10 mile before the Route 28 overpass). Single left lane closed from 7 p.m. to 10 p.m., transitioning to two left lanes closed from 10 p.m. to 5 a.m., with 20 minute stoppages occurring between midnight and 5 a.m.